diff --git a/src/conversation-api/requirements.txt b/src/conversation-api/requirements.txt
index 9b24756..88a8667 100644
--- a/src/conversation-api/requirements.txt
+++ b/src/conversation-api/requirements.txt
@@ -8,7 +8,7 @@ azure-monitor-opentelemetry==1.1.0
 azure-search-documents==11.4.0
 fastapi==0.104.1
 googlemaps==4.10.0
-langchain==0.0.345
+langchain==0.1.6
 mmh3==4.0.1
 numexpr==2.8.7
 openai==1.3.7